Fast Deoxidene cleans, de-rusts and phosphates metal. Can be used on all metal articles, tools, guns, fishing tackle, golf clubs, baths, sinks etc. Fast Deoxidene does three jobs in one treatment: It dissolves rust, Retards further rusting by leaving a protective coating which prolongs metal life, Prepares surface for paint by providing a bond between the metal surface and the paint. Available in 1L & 5L pack sizes.